3M ScaleGard HP, Installation And Operation Instructions Manual

16

Routine Maintenance Cartridge Change-out Instructions (Pre-Filter and RO Membrane Cartridge)

To Attach Tubing

To Release Tubing

Push tubing straight in as far as it 
will go

Tubing is secured in.

Push in collet to release tubing.

Pull tubing straight out.

This product is outfi tted with a user friendly ‘Push In’ connector at the vent valve. Proper use of the connectors is shown in the fi gure below. 
It is most important that the tubing selected for use with these connectors be of high quality, exact size and roundness, and with no surface 
nicks or scratches.  If it is necessary to cut the tubing, use a plastic tubing cutter or sharp razor knife. Make a clean square cut. Should a 
leak occur at a “Push-In” connector, the cause is usually a problem with the tubing.

 To 

Fix: 

1. Relieve pressure  

2. Release tubing    

3. Cut off at least 1/4” from end   

4. Reattach tubing   

5. Confi rm connection is leak free

Figure 9 (How to Use “Push-in” Connectors)

4.  Remove sanitary cap from new RO membrane cartridge. Ensure o-rings are seated into their grooves and lubricate with water. Remove plug 

from new RO membrane cartridge. Install with a quarter turn to the right until RO membrane cartridge comes to a complete stop. 
NOTE: RO membrane cartridges are keyed to fi t in proper location only.  

5.  Remove the old fl ow control from the  elbow and discard. Install the new fl ow control, included with the new RO membrane cartridge, in the 

elbow (See Figure 2)  

6.  Connect reject tubing with elbow to RO membrane cartridge.

7.   Flush membrane by opening pressure tank sample valve and empty tank to drain. After fl ushing the system for at least 24 hours, close the 

tank sample valve. 

System Start Up

Refer to System Start Up procedure (See page 10)

RO Membrane Cartridge (green label) Replacement Cont.: